How tough is my thermometer? - Home Brew Forums
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Old 09-14-2006, 06:44 PM   #1
ayrton's Avatar
Aug 2006
South Jersey
Posts: 809
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I have one of those glass floating thermometers that you get with homebrew kits, and I hate holding the thing while I am mashing to make sure my temperatures are correct. If I were to just let it sit in the pot and it touched the bottom, would it shatter from the heat of the burner?

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Old 09-14-2006, 09:29 PM   #2
Mar 2006
Posts: 97

No, me think.

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Old 09-14-2006, 09:37 PM   #3
Beer, not rocket science
Brewpastor's Avatar
Feb 2006
Corrales, New Mexico
Posts: 4,569
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Me think no too I think me do.
Before I learned to brew I was poor, sober and lonely. Now I am just poor.

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Old 09-15-2006, 01:43 AM   #4
I use secondaries. :p
Walker's Avatar
Sep 2005
Cary, NC
Posts: 10,982
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I haveone of those floating thermometers, too. Amazingly, I actually still have the tube and slip of paper that came with it. Mine says to not let the thermometer touch a direct heat source.

That said, tou are probably OK at mash temps, but probably not at boiling.

Ground Fault Brewing Co.

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Old 09-15-2006, 06:49 PM   #5
Jun 2006
Brooklyn, NY
Posts: 122

I was letting it touch the bottom when I was steeping grains and it never broke... It did however break when I picked it up, realized, s*** 170 degrees is really hot, and then immedialy droped in back into the pot.
brewing English Bitter, Marika Saison, Oatmeal Stout
on deck Scottish 80/-
Bottled lost track....

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Old 09-15-2006, 07:15 PM   #6
Evan!'s Avatar
Aug 2006
Charlottesville, VA
Posts: 11,821
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It should be fine, in terms of whether it'll break or not. However, the main reason why they tell you to keep it from touching the pot is because it throws off the temp reading. Instead of taking a reading of the temp of the stuff in the pot (which is what you want), you're taking a reading of the pot itself, at least partially.

Personally, I'm going to invest in a nice digital one here soon---but until that happens, what I do (for mashing and steeping) is take some kitchen twine, tie it to the thermometer (most have a loop built in, or at least a clip), and attach the other end to the handle on the outside of the pot. I don't tie it to the handle, just wrap it a bunch of times...that way, i can adjust the height easily. You can also purchase cheap ($10) analog thermometers from bed, bath and beyond that have cool little enclosures that keep the bulb from touching the bottom.

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